Helps prevent neural tube defects *Folic Acid functions with vitamin B12 and ascorbic acid in the breakdown and utilization of proteins. It is necessary for the growth and reproduction of red and white blood cells, the formation of nucleic acids, the conversion of homocysteine to methionine, and the production of gastric HCl. Folic acid is essential for healthy fetal neural development. Folic Acid provides optimal nutritional support for the utilization of proteins and for healthy blood cells.